5149649437 has 2 divisors, whose sum is σ = 5149649438. Its totient is φ = 5149649436.

The previous prime is 5149649429. The next prime is 5149649443. The reversal of 5149649437 is 7349469415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4357452121 + 792197316 = 66011^2 + 28146^2 .

It is a cyclic number.

It is not a de Polignac number, because 5149649437 - 2³ = 5149649429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5149649497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2574824718 + 2574824719.

It is an arithmetic number, because the mean of its divisors is an integer number (2574824719).

Almost surely, 2^5149649437 is an apocalyptic number.

It is an amenable number.

5149649437 is a deficient number, since it is larger than the sum of its proper divisors (1).

5149649437 is an equidigital number, since it uses as much as digits as its factorization.

5149649437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 52.

The square root of 5149649437 is about 71761.0579423130. The cubic root of 5149649437 is about 1726.8683180351.

The spelling of 5149649437 in words is "five billion, one hundred forty-nine million, six hundred forty-nine thousand, four hundred thirty-seven".